High Quality 5V to 3.3V For DC-DC Step-Down Power Supply Buck Module AMS1117 LDO 800MA AMS1117 3.3V power supply module 1, on-board AMS1117-3.3 chip 2, the input voltage range of 4.75V-12V 3, on-board power indicator light, indicate power is turned 4, board size: 18.5 (mm) x10.5 (mm) High Quality 5V to 3.3V For DC-DC Step-Down Power Supply Buck Module AMS1117 LDO 800MA AMS1117 3.3V power supply module 1, on-board AMS1117-3.3 chip 2, the input voltage range of 4.75V-12V 3, on-board power indicator light, indicate power is turned 4, board size: 18.5 (mm) x10.5 (mm) High Quality 5V to 3.3V For DC-DC Step-Down Power Supply Buck Module AMS1117 LDO 800MA AMS1117 3.3V power supply module 1, on-board AMS1117-3.3 chip 2, the input voltage range of 4.75V-12V 3, on-board power indicator light, indicate power is turned 4, board size: 18.5 (mm) x10.5 (mm) polybag